EP3870994C0 - Radar system for jammed environments - Google Patents

Radar system for jammed environments

Info

Publication number
EP3870994C0
EP3870994C0 EP18937667.6A EP18937667A EP3870994C0 EP 3870994 C0 EP3870994 C0 EP 3870994C0 EP 18937667 A EP18937667 A EP 18937667A EP 3870994 C0 EP3870994 C0 EP 3870994C0
Authority
EP
European Patent Office
Prior art keywords
radar system
jammed environments
jammed
environments
radar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18937667.6A
Other languages
German (de)
French (fr)
Other versions
EP3870994B1 (en
EP3870994A4 (en
EP3870994A1 (en
Inventor
Kent Falk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saab AB
Original Assignee
Saab AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saab AB filed Critical Saab AB
Publication of EP3870994A1 publication Critical patent/EP3870994A1/en
Publication of EP3870994A4 publication Critical patent/EP3870994A4/en
Application granted granted Critical
Publication of EP3870994B1 publication Critical patent/EP3870994B1/en
Publication of EP3870994C0 publication Critical patent/EP3870994C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
EP18937667.6A 2018-10-25 2018-10-25 Radar system for jammed environments Active EP3870994B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2018/051089 WO2020085962A1 (en) 2018-10-25 2018-10-25 Radar system for jammed environments

Publications (4)

Publication Number Publication Date
EP3870994A1 EP3870994A1 (en) 2021-09-01
EP3870994A4 EP3870994A4 (en) 2022-05-25
EP3870994B1 EP3870994B1 (en) 2024-01-10
EP3870994C0 true EP3870994C0 (en) 2024-01-10

Family

ID=70330640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18937667.6A Active EP3870994B1 (en) 2018-10-25 2018-10-25 Radar system for jammed environments

Country Status (5)

Country Link
US (1) US11662428B2 (en)
EP (1) EP3870994B1 (en)
ES (1) ES2970291T3 (en)
IL (1) IL282412B2 (en)
WO (1) WO2020085962A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114322743B (en) * 2022-01-05 2024-04-12 瞬联软件科技（北京）有限公司 Tunnel deformation real-time monitoring system and monitoring method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225838A (en) * 1980-12-29 1993-07-06 Raytheon Company All weather tactical strike system (AWTSS) and method of operation
US5410316A (en) 1984-03-05 1995-04-25 Hughes Missile Systems Company Quick-reaction antijamming search radar
US5440308A (en) * 1987-02-12 1995-08-08 The Aerospace Corporation Apparatus and method for employing adaptive interference cancellation over a wide bandwidth
NL9302002A (en) 1993-11-19 1995-06-16 Hollandse Signaalapparaten Bv Radar device equipped with ECCM facilities.
WO2000052497A2 (en) 1999-02-16 2000-09-08 Raytheon Company Radar system having spoofer, blanker and canceler
EP2088449B1 (en) 2008-02-07 2012-06-06 Saab Ab Side lobe suppression
US8614644B2 (en) * 2010-04-22 2013-12-24 The Aerospace Corporation Systems and methods for protecting a receiving antenna from interference by a transmitting antenna
US10545246B1 (en) * 2016-07-08 2020-01-28 Interstate Electronics Corporation Global navigation satellite system spoofer identification technique based on carrier to noise ratio signatures

Also Published As

Publication number Publication date
IL282412B1 (en) 2023-09-01
IL282412B2 (en) 2024-01-01
ES2970291T3 (en) 2024-05-27
IL282412A (en) 2021-06-30
EP3870994B1 (en) 2024-01-10
US11662428B2 (en) 2023-05-30
US20210389419A1 (en) 2021-12-16
EP3870994A4 (en) 2022-05-25
EP3870994A1 (en) 2021-09-01
WO2020085962A1 (en) 2020-04-30

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